Why MySQL FULLTEXT Search Returns 0 Results (And How to Fix It)
When optimizing custom database search queries by replacing standard SQL LIKE '%keyword%' queries with MySQL MATCH() AGAINST() full-text search, you might encounter a frustrating wall: the query returns 0 results, even when the search terms exist repeatedly across your database.
You created the FULLTEXT index, wrote the SQL query, and verified the matching records exist - yet MySQL returns an empty result set.
Here is why MySQL silently drops valid search terms in Natural Language Mode, and how to resolve
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Posted in Coding, Server Admin & Security
Tagged 50% Threshold Rule, boolean mode, database, full-text search engine, fulltext index, InnoDB, keyword search, like vs fulltext, MyISAM, MyISAM vs InnoDB, mysql, mysql query optimization, natural language mode, natural relevance scores, slow mysql queries, sql, table storage engine
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